61793840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5557}}^1$

素因数の和:5709

約数の個数: 40

約数和(自身を含む): 144730320

約数和(自身を除く): 82936480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5557, 5560, 11114, 11120, 22228, 27785, 44456, 55570, 88912, 111140, 222280, 444560, 772423, 1544846, 3089692, 3862115, 6179384, 7724230, 12358768, 15448460, 30896920, 61793840]

約数ペア:

[(1, 61793840), (2, 30896920), (4, 15448460), (5, 12358768), (8, 7724230), (10, 6179384), (16, 3862115), (20, 3089692), (40, 1544846), (80, 772423), (139, 444560), (278, 222280), (556, 111140), (695, 88912), (1112, 55570), (1390, 44456), (2224, 27785), (2780, 22228), (5557, 11120), (5560, 11114)]